VW Code 01664
01664 Description And Summary : |
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Diagnosing engine bar with valve for pump - jet: cylinder 10 (n306), regulation range exceeded mechanic will need to check all electrical connections in the camshaft sensor starter relay 2, electrical malfunction in circuit (relay stuck / does not switch) also o2 sensor pumping current trim bank 1 sensor 1, circuit / open is the final reason of the code. |
01664 Possible Causes:
01664 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 01664 Code
- Inspect all the connections nox sensor bank 2, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns